How the extreme heat is affecting schools and travel in Yorkshire and Lincolnshire
As an unprecedented Met Office red warning for heat comes into effect, many services across Yorkshire and Lincolnshire are already being impacted.
Councils, travel companies, and local education authorities took pre-emptive action, affecting how schools operate, trains and buses run and other services are provided.
Some of the region's visitor attractions are also closing until the heatwave has subsided.
Follow the latest updates for Yorkshire and Lincolnshire here:
Which schools are closing?
The vast majority of schools appear to have taken the decision to remain open. But a handful have announced full closures.
Grenoside Community Primary School, Sheffield, has announced it will be closed on Monday and Tuesday. On its website, the school said: "We have taken the decision to close the school on Monday and Tuesday due to the combination of the red weather warning for extreme heat and the school site being unsafe."
King Edward VII School, also in Sheffield, closed its lower school on Monday afternoon and will remain closed on Tuesday.
Brightside Nursery Infant School, Sheffield, will close on Tuesday.
Limpsfield Junior School, Sheffield, will also be closed on Tuesday.
St Christopher's School, Lincoln, will also remain closed until Wednesday, saying it could not keep the school cool enough.
Barnsley's The Forest Academy has closed.
Greenacre School, also in Barnsley, has announced it will be closing in full today due to the heat.
Co-Op Academy Southfield and Co-Op Academy Grange, Bradford, announced they will be closing due to a lack of water.
Bankwood School in Sheffield announced earlier that it will be closed tomorrow.
Bents Green School in Sheffield will be operating online tomorrow.
Sheffield's Springfield Primary School, nursery class will be closed for the afternoon session tomorrow and Year 5 & Year 6 classes will close after lunch
High Storrs in Sheffield will close at 1.55pm tomorrow.
Students at Ecclesfield School will also get an early finish tomorrow, with the school day ending at 12.30pm.
Bedale Highschool in North Yorkshire is closed today. Updates for tomorrow will come in due course.
What are other schools doing?
Chris Dyson, headteacher at Parklands Primary School in Seacroft, Leed, said he wanted the school to stay open but certain year groups may have to close. He said he would make a decision on Monday.
Ralph Thoresby School in Leeds said on Twitter that pupils would be encouraged to work from home in the afternoon.
Dixons Kings Academy, Bradford, outlined "precautionary steps", including cancelling PE lessons on Monday and Tuesday and telling students they do not need to wear a blazer or jumper.
Appleton Academy at Wyke, Bradford, will finish at 1.30pm on Monday and Tuesday.
Chaucer School, Sheffield, said it would shut at 12.55pm on Monday and Tuesday, but students could stay until the end of the day under staff supervision if needed.
Rosedale Primary School in Doncaster, South Yorkshire, has cancelled PE lessons.
Are trains cancelled?
LNER will not run any services between London and south of York and Leeds on Tuesday due to the expected extreme heat. This includes travel to and from Wakefield Westgate, Doncaster, Retford, Lincoln, Newark Northgate, Grantham, Peterborough and Stevenage.
Northern rail says people should only travel if essential across the whole of the network on Monday. On Tuesday, people are being told not to travel at all in the North East, Yorkshire and northern Lincolnshire.
A safety inspection of the track is being carried out at Pontefract Monkhill station so the line is currently blocked. Train services running through the station will be cancelled or delayed by up to 30 minutes.
Hull Trains is running an amended timetable, with some services cancelled.
TransPennine Express is running a reduced timetable on Monday and Tuesday and is advising passengers to avoid all but essential travel.
Sheffield Supertram is also encouraging passengers to consider whether they need to travel.
Are bus services cancelled?
Arriva and First Bus had not announced any pre-emptive service cancellations by Sunday evening. But they are advising customers to be prepared for disruption.
Will your bin still be collected?
Councils are aiming to continue with bin collections, but are advising residents to ensure their bins are left out in plenty of time as collections may take place earlier to avoid staff working in extreme heat.
Are utility services affected?
Northern Powergrid said its electricity network was operating as normal, but it was closely monitoring the weather across Yorkshire and northern Lincolnshire and was prepared for any potential impact.
Yorkshire Water said people should try to save water as much as possible, because of a lack of rain in recent weeks.
What else is affected?
Main Road in Uffington near Stamford is closed due to a wildfire getting close to the road. Motorists are being told to avoid the area.
Yorkshire Wildlife Park is closed today and tomorrow. It's so the park rangers can properly care for the animals in the heat. Anyone with bookings will be contacted by the team to rearrange visits.
York Maze is closed today and tomorrow, just days after reopening. All ticket holders have been contacted and issued a refund.
Peak District National Park access areas are closed to the public until further notice due to the risk of wildfires. Public footpaths are still open.
Tropical World, Leeds, is closed for the next two days so their animal keepers to concentrate solely on the animals and their welfare as temperatures soar.
A number of Lincolnshire fish and chip shops are closing due to the hot weather. Burton Road Chippy, Waldo Smith's Fish and Chips in Lincoln, Wellies Fish and Chips in Grantham, Boundary Fish and Chips in Market Deeping and Adam's Bay in Gainsborough are closing on Tuesday. Lincoln's Carholme Chippy is closed today and tomorrow.